Home / 4,050.80-5,590-2,258.30

Finding the Fourth Proportional to 4,050.80, 5,590 and 2,258.30

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Solution

The fourth proportional to 4,050.80, 5,590 and 2,258.30 is: 3,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,050.80 : 5,590 = 2,258.30 : x
  2. Step 2: Convert to fraction form
    4,050.80/5,590 = 2,258.30/x
  3. Step 3: Cross multiply
    4,050.80x = 5,590 × 2,258.30
  4. Step 4: Simplify right side
    4,050.80x = 12,623,897.00
  5. Step 5: Solve for x
    x = 12,623,897.00/4,050.80
  6. Step 6: Final answer
    x = 3,116.40

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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.