Home / 7,037.40-10,557.70-4,114.20

Finding the Fourth Proportional to 7,037.40, 10,557.70 and 4,114.20

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Solution

The fourth proportional to 7,037.40, 10,557.70 and 4,114.20 is: 6,172.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,037.40 : 10,557.70 = 4,114.20 : x
  2. Step 2: Convert to fraction form
    7,037.40/10,557.70 = 4,114.20/x
  3. Step 3: Cross multiply
    7,037.40x = 10,557.70 × 4,114.20
  4. Step 4: Simplify right side
    7,037.40x = 43,436,489.34
  5. Step 5: Solve for x
    x = 43,436,489.34/7,037.40
  6. Step 6: Final answer
    x = 6,172.24

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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.