Home / 5,850.69-8,782.10-3,390.32

Finding the Fourth Proportional to 5,850.69, 8,782.10 and 3,390.32

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Solution

The fourth proportional to 5,850.69, 8,782.10 and 3,390.32 is: 5,088.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,850.69 : 8,782.10 = 3,390.32 : x
  2. Step 2: Convert to fraction form
    5,850.69/8,782.10 = 3,390.32/x
  3. Step 3: Cross multiply
    5,850.69x = 8,782.10 × 3,390.32
  4. Step 4: Simplify right side
    5,850.69x = 29,774,068.41
  5. Step 5: Solve for x
    x = 29,774,068.41/5,850.69
  6. Step 6: Final answer
    x = 5,088.98

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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.