Home / 7,483.49-11,225.75-2,803.40

Finding the Fourth Proportional to 7,483.49, 11,225.75 and 2,803.40

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Solution

The fourth proportional to 7,483.49, 11,225.75 and 2,803.40 is: 4,205.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,483.49 : 11,225.75 = 2,803.40 : x
  2. Step 2: Convert to fraction form
    7,483.49/11,225.75 = 2,803.40/x
  3. Step 3: Cross multiply
    7,483.49x = 11,225.75 × 2,803.40
  4. Step 4: Simplify right side
    7,483.49x = 31,470,267.55
  5. Step 5: Solve for x
    x = 31,470,267.55/7,483.49
  6. Step 6: Final answer
    x = 4,205.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.