Home / 7,040.18-9,715.68-4,056.63

Finding the Fourth Proportional to 7,040.18, 9,715.68 and 4,056.63

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Solution

The fourth proportional to 7,040.18, 9,715.68 and 4,056.63 is: 5,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,040.18 : 9,715.68 = 4,056.63 : x
  2. Step 2: Convert to fraction form
    7,040.18/9,715.68 = 4,056.63/x
  3. Step 3: Cross multiply
    7,040.18x = 9,715.68 × 4,056.63
  4. Step 4: Simplify right side
    7,040.18x = 39,412,918.96
  5. Step 5: Solve for x
    x = 39,412,918.96/7,040.18
  6. Step 6: Final answer
    x = 5,598.29

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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.