Home / 5,752.40-8,628.84-4,785.32

Finding the Fourth Proportional to 5,752.40, 8,628.84 and 4,785.32

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Solution

The fourth proportional to 5,752.40, 8,628.84 and 4,785.32 is: 7,178.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,752.40 : 8,628.84 = 4,785.32 : x
  2. Step 2: Convert to fraction form
    5,752.40/8,628.84 = 4,785.32/x
  3. Step 3: Cross multiply
    5,752.40x = 8,628.84 × 4,785.32
  4. Step 4: Simplify right side
    5,752.40x = 41,291,760.63
  5. Step 5: Solve for x
    x = 41,291,760.63/5,752.40
  6. Step 6: Final answer
    x = 7,178.18

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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.