Home / 1,565.16-2,156.44-1,033.10

Finding the Fourth Proportional to 1,565.16, 2,156.44 and 1,033.10

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Solution

The fourth proportional to 1,565.16, 2,156.44 and 1,033.10 is: 1,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.16 : 2,156.44 = 1,033.10 : x
  2. Step 2: Convert to fraction form
    1,565.16/2,156.44 = 1,033.10/x
  3. Step 3: Cross multiply
    1,565.16x = 2,156.44 × 1,033.10
  4. Step 4: Simplify right side
    1,565.16x = 2,227,810.61
  5. Step 5: Solve for x
    x = 2,227,810.61/1,565.16
  6. Step 6: Final answer
    x = 1,423.38

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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.