Home / 7,040.46-9,714.63-4,521.75

Finding the Fourth Proportional to 7,040.46, 9,714.63 and 4,521.75

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Solution

The fourth proportional to 7,040.46, 9,714.63 and 4,521.75 is: 6,239.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.46 : 9,714.63 = 4,521.75 : x
  2. Step 2: Convert to fraction form
    7,040.46/9,714.63 = 4,521.75/x
  3. Step 3: Cross multiply
    7,040.46x = 9,714.63 × 4,521.75
  4. Step 4: Simplify right side
    7,040.46x = 43,927,128.20
  5. Step 5: Solve for x
    x = 43,927,128.20/7,040.46
  6. Step 6: Final answer
    x = 6,239.24

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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.