Home / 5,780.18-8,628.46-5,079.56

Finding the Fourth Proportional to 5,780.18, 8,628.46 and 5,079.56

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Solution

The fourth proportional to 5,780.18, 8,628.46 and 5,079.56 is: 7,582.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.18 : 8,628.46 = 5,079.56 : x
  2. Step 2: Convert to fraction form
    5,780.18/8,628.46 = 5,079.56/x
  3. Step 3: Cross multiply
    5,780.18x = 8,628.46 × 5,079.56
  4. Step 4: Simplify right side
    5,780.18x = 43,828,780.28
  5. Step 5: Solve for x
    x = 43,828,780.28/5,780.18
  6. Step 6: Final answer
    x = 7,582.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.