Home / 6,210.02-8,566.81-3,690.35

Finding the Fourth Proportional to 6,210.02, 8,566.81 and 3,690.35

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Solution

The fourth proportional to 6,210.02, 8,566.81 and 3,690.35 is: 5,090.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,210.02 : 8,566.81 = 3,690.35 : x
  2. Step 2: Convert to fraction form
    6,210.02/8,566.81 = 3,690.35/x
  3. Step 3: Cross multiply
    6,210.02x = 8,566.81 × 3,690.35
  4. Step 4: Simplify right side
    6,210.02x = 31,614,484.45
  5. Step 5: Solve for x
    x = 31,614,484.45/6,210.02
  6. Step 6: Final answer
    x = 5,090.88

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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.