Home / 6,210.96-8,561.16-5,702.28

Finding the Fourth Proportional to 6,210.96, 8,561.16 and 5,702.28

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Solution

The fourth proportional to 6,210.96, 8,561.16 and 5,702.28 is: 7,860.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.96 : 8,561.16 = 5,702.28 : x
  2. Step 2: Convert to fraction form
    6,210.96/8,561.16 = 5,702.28/x
  3. Step 3: Cross multiply
    6,210.96x = 8,561.16 × 5,702.28
  4. Step 4: Simplify right side
    6,210.96x = 48,818,131.44
  5. Step 5: Solve for x
    x = 48,818,131.44/6,210.96
  6. Step 6: Final answer
    x = 7,860.00

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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.