Home / 5,199.19-7,798.65-1,303.63

Finding the Fourth Proportional to 5,199.19, 7,798.65 and 1,303.63

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Solution

The fourth proportional to 5,199.19, 7,798.65 and 1,303.63 is: 1,955.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.19 : 7,798.65 = 1,303.63 : x
  2. Step 2: Convert to fraction form
    5,199.19/7,798.65 = 1,303.63/x
  3. Step 3: Cross multiply
    5,199.19x = 7,798.65 × 1,303.63
  4. Step 4: Simplify right side
    5,199.19x = 10,166,554.10
  5. Step 5: Solve for x
    x = 10,166,554.10/5,199.19
  6. Step 6: Final answer
    x = 1,955.41

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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.