Home / 4,752.32-7,128.58-1,465.70

Finding the Fourth Proportional to 4,752.32, 7,128.58 and 1,465.70

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Solution

The fourth proportional to 4,752.32, 7,128.58 and 1,465.70 is: 2,198.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752.32 : 7,128.58 = 1,465.70 : x
  2. Step 2: Convert to fraction form
    4,752.32/7,128.58 = 1,465.70/x
  3. Step 3: Cross multiply
    4,752.32x = 7,128.58 × 1,465.70
  4. Step 4: Simplify right side
    4,752.32x = 10,448,359.71
  5. Step 5: Solve for x
    x = 10,448,359.71/4,752.32
  6. Step 6: Final answer
    x = 2,198.58

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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.