Home / 2,587.64-3,886.98-2,470.16

Finding the Fourth Proportional to 2,587.64, 3,886.98 and 2,470.16

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Solution

The fourth proportional to 2,587.64, 3,886.98 and 2,470.16 is: 3,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.64 : 3,886.98 = 2,470.16 : x
  2. Step 2: Convert to fraction form
    2,587.64/3,886.98 = 2,470.16/x
  3. Step 3: Cross multiply
    2,587.64x = 3,886.98 × 2,470.16
  4. Step 4: Simplify right side
    2,587.64x = 9,601,462.52
  5. Step 5: Solve for x
    x = 9,601,462.52/2,587.64
  6. Step 6: Final answer
    x = 3,710.51

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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.