Home / 2,415.29-3,332.12-1,470.32

Finding the Fourth Proportional to 2,415.29, 3,332.12 and 1,470.32

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Solution

The fourth proportional to 2,415.29, 3,332.12 and 1,470.32 is: 2,028.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.29 : 3,332.12 = 1,470.32 : x
  2. Step 2: Convert to fraction form
    2,415.29/3,332.12 = 1,470.32/x
  3. Step 3: Cross multiply
    2,415.29x = 3,332.12 × 1,470.32
  4. Step 4: Simplify right side
    2,415.29x = 4,899,258.67
  5. Step 5: Solve for x
    x = 4,899,258.67/2,415.29
  6. Step 6: Final answer
    x = 2,028.44

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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.