Home / 5,075.42-7,004.04-2,806.92

Finding the Fourth Proportional to 5,075.42, 7,004.04 and 2,806.92

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Solution

The fourth proportional to 5,075.42, 7,004.04 and 2,806.92 is: 3,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,075.42 : 7,004.04 = 2,806.92 : x
  2. Step 2: Convert to fraction form
    5,075.42/7,004.04 = 2,806.92/x
  3. Step 3: Cross multiply
    5,075.42x = 7,004.04 × 2,806.92
  4. Step 4: Simplify right side
    5,075.42x = 19,659,779.96
  5. Step 5: Solve for x
    x = 19,659,779.96/5,075.42
  6. Step 6: Final answer
    x = 3,873.53

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.