Home / 6,403.02-8,835.87-3,570.71

Finding the Fourth Proportional to 6,403.02, 8,835.87 and 3,570.71

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Solution

The fourth proportional to 6,403.02, 8,835.87 and 3,570.71 is: 4,927.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,403.02 : 8,835.87 = 3,570.71 : x
  2. Step 2: Convert to fraction form
    6,403.02/8,835.87 = 3,570.71/x
  3. Step 3: Cross multiply
    6,403.02x = 8,835.87 × 3,570.71
  4. Step 4: Simplify right side
    6,403.02x = 31,550,329.37
  5. Step 5: Solve for x
    x = 31,550,329.37/6,403.02
  6. Step 6: Final answer
    x = 4,927.41

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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.