Home / 7,545.15-10,412.16-4,187.77

Finding the Fourth Proportional to 7,545.15, 10,412.16 and 4,187.77

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Solution

The fourth proportional to 7,545.15, 10,412.16 and 4,187.77 is: 5,779.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.15 : 10,412.16 = 4,187.77 : x
  2. Step 2: Convert to fraction form
    7,545.15/10,412.16 = 4,187.77/x
  3. Step 3: Cross multiply
    7,545.15x = 10,412.16 × 4,187.77
  4. Step 4: Simplify right side
    7,545.15x = 43,603,684.31
  5. Step 5: Solve for x
    x = 43,603,684.31/7,545.15
  6. Step 6: Final answer
    x = 5,779.03

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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.