Home / 7,060.11-9,742.56-4,075.76

Finding the Fourth Proportional to 7,060.11, 9,742.56 and 4,075.76

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Solution

The fourth proportional to 7,060.11, 9,742.56 and 4,075.76 is: 5,624.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,060.11 : 9,742.56 = 4,075.76 : x
  2. Step 2: Convert to fraction form
    7,060.11/9,742.56 = 4,075.76/x
  3. Step 3: Cross multiply
    7,060.11x = 9,742.56 × 4,075.76
  4. Step 4: Simplify right side
    7,060.11x = 39,708,345.42
  5. Step 5: Solve for x
    x = 39,708,345.42/7,060.11
  6. Step 6: Final answer
    x = 5,624.33

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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.