Home / 5,655.04-7,802.36-3,665.68

Finding the Fourth Proportional to 5,655.04, 7,802.36 and 3,665.68

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Solution

The fourth proportional to 5,655.04, 7,802.36 and 3,665.68 is: 5,057.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.04 : 7,802.36 = 3,665.68 : x
  2. Step 2: Convert to fraction form
    5,655.04/7,802.36 = 3,665.68/x
  3. Step 3: Cross multiply
    5,655.04x = 7,802.36 × 3,665.68
  4. Step 4: Simplify right side
    5,655.04x = 28,600,955.00
  5. Step 5: Solve for x
    x = 28,600,955.00/5,655.04
  6. Step 6: Final answer
    x = 5,057.60

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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.