Home / 5,416.60-8,141.10-4,703.80

Finding the Fourth Proportional to 5,416.60, 8,141.10 and 4,703.80

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Solution

The fourth proportional to 5,416.60, 8,141.10 and 4,703.80 is: 7,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,416.60 : 8,141.10 = 4,703.80 : x
  2. Step 2: Convert to fraction form
    5,416.60/8,141.10 = 4,703.80/x
  3. Step 3: Cross multiply
    5,416.60x = 8,141.10 × 4,703.80
  4. Step 4: Simplify right side
    5,416.60x = 38,294,106.18
  5. Step 5: Solve for x
    x = 38,294,106.18/5,416.60
  6. Step 6: Final answer
    x = 7,069.77

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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.