Home / 7,029.15-9,702.09-4,045.35

Finding the Fourth Proportional to 7,029.15, 9,702.09 and 4,045.35

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Solution

The fourth proportional to 7,029.15, 9,702.09 and 4,045.35 is: 5,583.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,029.15 : 9,702.09 = 4,045.35 : x
  2. Step 2: Convert to fraction form
    7,029.15/9,702.09 = 4,045.35/x
  3. Step 3: Cross multiply
    7,029.15x = 9,702.09 × 4,045.35
  4. Step 4: Simplify right side
    7,029.15x = 39,248,349.78
  5. Step 5: Solve for x
    x = 39,248,349.78/7,029.15
  6. Step 6: Final answer
    x = 5,583.66

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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.