Home / 2,970.13-4,427.48-2,925.08

Finding the Fourth Proportional to 2,970.13, 4,427.48 and 2,925.08

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Solution

The fourth proportional to 2,970.13, 4,427.48 and 2,925.08 is: 4,360.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,970.13 : 4,427.48 = 2,925.08 : x
  2. Step 2: Convert to fraction form
    2,970.13/4,427.48 = 2,925.08/x
  3. Step 3: Cross multiply
    2,970.13x = 4,427.48 × 2,925.08
  4. Step 4: Simplify right side
    2,970.13x = 12,950,733.20
  5. Step 5: Solve for x
    x = 12,950,733.20/2,970.13
  6. Step 6: Final answer
    x = 4,360.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.