Home / 5,631.36-7,762.91-4,830.83

Finding the Fourth Proportional to 5,631.36, 7,762.91 and 4,830.83

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Solution

The fourth proportional to 5,631.36, 7,762.91 and 4,830.83 is: 6,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.36 : 7,762.91 = 4,830.83 : x
  2. Step 2: Convert to fraction form
    5,631.36/7,762.91 = 4,830.83/x
  3. Step 3: Cross multiply
    5,631.36x = 7,762.91 × 4,830.83
  4. Step 4: Simplify right side
    5,631.36x = 37,501,280.29
  5. Step 5: Solve for x
    x = 37,501,280.29/5,631.36
  6. Step 6: Final answer
    x = 6,659.36

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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.