Home / 4,703.55-7,053.91-1,415.76

Finding the Fourth Proportional to 4,703.55, 7,053.91 and 1,415.76

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Solution

The fourth proportional to 4,703.55, 7,053.91 and 1,415.76 is: 2,123.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.55 : 7,053.91 = 1,415.76 : x
  2. Step 2: Convert to fraction form
    4,703.55/7,053.91 = 1,415.76/x
  3. Step 3: Cross multiply
    4,703.55x = 7,053.91 × 1,415.76
  4. Step 4: Simplify right side
    4,703.55x = 9,986,643.62
  5. Step 5: Solve for x
    x = 9,986,643.62/4,703.55
  6. Step 6: Final answer
    x = 2,123.21

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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.