Home / 2,470.51-3,411.62-1,587.85

Finding the Fourth Proportional to 2,470.51, 3,411.62 and 1,587.85

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Solution

The fourth proportional to 2,470.51, 3,411.62 and 1,587.85 is: 2,192.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.51 : 3,411.62 = 1,587.85 : x
  2. Step 2: Convert to fraction form
    2,470.51/3,411.62 = 1,587.85/x
  3. Step 3: Cross multiply
    2,470.51x = 3,411.62 × 1,587.85
  4. Step 4: Simplify right side
    2,470.51x = 5,417,130.30
  5. Step 5: Solve for x
    x = 5,417,130.30/2,470.51
  6. Step 6: Final answer
    x = 2,192.72

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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.