Home / 5,628.07-7,710.41-5,417.80

Finding the Fourth Proportional to 5,628.07, 7,710.41 and 5,417.80

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Solution

The fourth proportional to 5,628.07, 7,710.41 and 5,417.80 is: 7,422.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.07 : 7,710.41 = 5,417.80 : x
  2. Step 2: Convert to fraction form
    5,628.07/7,710.41 = 5,417.80/x
  3. Step 3: Cross multiply
    5,628.07x = 7,710.41 × 5,417.80
  4. Step 4: Simplify right side
    5,628.07x = 41,773,459.30
  5. Step 5: Solve for x
    x = 41,773,459.30/5,628.07
  6. Step 6: Final answer
    x = 7,422.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.