Home / 7,557.38-11,311.80-4,038.58

Finding the Fourth Proportional to 7,557.38, 11,311.80 and 4,038.58

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Solution

The fourth proportional to 7,557.38, 11,311.80 and 4,038.58 is: 6,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.38 : 11,311.80 = 4,038.58 : x
  2. Step 2: Convert to fraction form
    7,557.38/11,311.80 = 4,038.58/x
  3. Step 3: Cross multiply
    7,557.38x = 11,311.80 × 4,038.58
  4. Step 4: Simplify right side
    7,557.38x = 45,683,662.77
  5. Step 5: Solve for x
    x = 45,683,662.77/7,557.38
  6. Step 6: Final answer
    x = 6,044.91

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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.