Home / 3,065.36-4,597.76-1,091.20

Finding the Fourth Proportional to 3,065.36, 4,597.76 and 1,091.20

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Solution

The fourth proportional to 3,065.36, 4,597.76 and 1,091.20 is: 1,636.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.36 : 4,597.76 = 1,091.20 : x
  2. Step 2: Convert to fraction form
    3,065.36/4,597.76 = 1,091.20/x
  3. Step 3: Cross multiply
    3,065.36x = 4,597.76 × 1,091.20
  4. Step 4: Simplify right side
    3,065.36x = 5,017,075.71
  5. Step 5: Solve for x
    x = 5,017,075.71/3,065.36
  6. Step 6: Final answer
    x = 1,636.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.