Home / 5,061.48-6,985.08-3,072.24

Finding the Fourth Proportional to 5,061.48, 6,985.08 and 3,072.24

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Solution

The fourth proportional to 5,061.48, 6,985.08 and 3,072.24 is: 4,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,061.48 : 6,985.08 = 3,072.24 : x
  2. Step 2: Convert to fraction form
    5,061.48/6,985.08 = 3,072.24/x
  3. Step 3: Cross multiply
    5,061.48x = 6,985.08 × 3,072.24
  4. Step 4: Simplify right side
    5,061.48x = 21,459,842.18
  5. Step 5: Solve for x
    x = 21,459,842.18/5,061.48
  6. Step 6: Final answer
    x = 4,239.84

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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.