Home / 4,475.16-6,712.80-1,188.24

Finding the Fourth Proportional to 4,475.16, 6,712.80 and 1,188.24

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Solution

The fourth proportional to 4,475.16, 6,712.80 and 1,188.24 is: 1,782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,475.16 : 6,712.80 = 1,188.24 : x
  2. Step 2: Convert to fraction form
    4,475.16/6,712.80 = 1,188.24/x
  3. Step 3: Cross multiply
    4,475.16x = 6,712.80 × 1,188.24
  4. Step 4: Simplify right side
    4,475.16x = 7,976,417.47
  5. Step 5: Solve for x
    x = 7,976,417.47/4,475.16
  6. Step 6: Final answer
    x = 1,782.38

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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.