Home / 1,607.17-2,217.87-1,134.57

Finding the Fourth Proportional to 1,607.17, 2,217.87 and 1,134.57

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Solution

The fourth proportional to 1,607.17, 2,217.87 and 1,134.57 is: 1,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,607.17 : 2,217.87 = 1,134.57 : x
  2. Step 2: Convert to fraction form
    1,607.17/2,217.87 = 1,134.57/x
  3. Step 3: Cross multiply
    1,607.17x = 2,217.87 × 1,134.57
  4. Step 4: Simplify right side
    1,607.17x = 2,516,328.77
  5. Step 5: Solve for x
    x = 2,516,328.77/1,607.17
  6. Step 6: Final answer
    x = 1,565.69

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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.